Revert "Add mknod test case"

This reverts commit f652f3c91806bd6efb10cb8e8a68bfbe58843e98.

3 files changed, 0 insertions, 158 deletions

diff --git a/.gitignore b/.gitignore
index 93cc1ea..7a6f75c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,7 +70,6 @@
 /test/link_drain
 /test/madvise
 /test/mkdir
-/test/mknod
 /test/nop
 /test/nop-all-sizes
 /test/open-close
diff --git a/test/Makefile b/test/Makefile
index fbc6c0f..2f0a694 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -67,7 +67,6 @@ test_targets += \
 	link_drain \
 	madvise \
 	mkdir \
-	mknod \
 	multicqes_drain \
 	nop \
 	nop-all-sizes \
@@ -208,7 +207,6 @@ test_srcs := \
 	link_drain.c \
 	madvise.c \
 	mkdir.c \
-	mknod.c \
 	multicqes_drain.c \
 	nop-all-sizes.c \
 	nop.c \
diff --git a/test/mknod.c b/test/mknod.c
deleted file mode 100644
index d82e243..0000000
--- a/test/mknod.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Description: test io_uring mknodat handling
- */
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/sysmacros.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "liburing.h"
-
-static int do_mknodat(struct io_uring *ring, const char *fn, mode_t mode, dev_t dev)
-{
-	int ret;
-	struct io_uring_sqe *sqe;
-	struct io_uring_cqe *cqe;
-
-	sqe = io_uring_get_sqe(ring);
-	if (!sqe) {
-		fprintf(stderr, "sqe get failed\n");
-		goto err;
-	}
-	io_uring_prep_mknodat(sqe, AT_FDCWD, fn, mode, dev);
-
-	ret = io_uring_submit(ring);
-	if (ret != 1) {
-		fprintf(stderr, "submit failed: %d\n", ret);
-		goto err;
-	}
-
-	ret = io_uring_wait_cqes(ring, &cqe, 1, 0, 0);
-	if (ret) {
-		fprintf(stderr, "wait_cqe failed: %d\n", ret);
-		goto err;
-	}
-	ret = cqe->res;
-	io_uring_cqe_seen(ring, cqe);
-	return ret;
-err:
-	return 1;
-}
-
-int check_fifo(const char* fn)
-{
-	char buf[4];
-	int fd = open(fn, O_RDWR);
-	if (fd < 0) {
-		fprintf(stderr, "failed to open fifo: %s\n", strerror(errno));
-		return 1;
-	}
-	if (write(fd, "42", 2) != 2) {
-		fprintf(stderr, "short write to fifo\n");
-		return 1;
-	}
-	if (read(fd, buf, 2) != 2) {
-		fprintf(stderr, "short read from fifo\n");
-		return 1;
-	}
-	buf[3] = 0;
-	if (strncmp(buf, "42", 2)) {
-		fprintf(stderr, "read unexpected data from fifo: %s\n", buf);
-		return 1;
-	}
-
-	return 0;
-}
-
-int test_device(struct io_uring *ring, const char* fn)
-{
-	// 1, 3 is /dev/null
-	struct stat sb;
-	dev_t dev = makedev(1, 3);
-	int ret = do_mknodat(ring, fn, 0600 | S_IFCHR, dev);
-	if (ret < 0) {
-		fprintf(stderr, "mknodat device: %s\n", strerror(-ret));
-		return ret;
-	} else if (ret) {
-		return ret;
-	}
-	ret = stat(fn, &sb);
-	if (ret) {
-		perror("stat");
-		return ret;
-	}
-	if (sb.st_rdev != dev) {
-		fprintf(stderr, "unexpected device number: %d, %d\n",
-			major(sb.st_rdev), minor(sb.st_rdev));
-		return 1;
-	}
-	return 0;
-}
-
-int main(int argc, char *argv[])
-{
-	static const char fn[] = "io_uring-mknodat-test";
-	int ret;
-	struct io_uring ring;
-
-	ret = io_uring_queue_init(8, &ring, 0);
-	if (ret) {
-		fprintf(stderr, "queue init failed: %d\n", ret);
-		return ret;
-	}
-
-	ret = do_mknodat(&ring, fn, 0600 | S_IFIFO, 0);
-	if (ret < 0) {
-		if (ret == -EBADF || ret == -EINVAL) {
-			fprintf(stdout, "mknodat not supported, skipping\n");
-			goto out;
-		}
-		fprintf(stderr, "mknodat: %s\n", strerror(-ret));
-		goto err;
-	} else if (ret) {
-		goto err;
-	}
-
-
-	if (check_fifo(fn))
-		goto err1;
-
-	ret = do_mknodat(&ring, fn, 0600 | S_IFIFO, 0);
-	if (ret != -EEXIST) {
-		fprintf(stderr, "do_mknodat already exists failed: %d\n", ret);
-		goto err1;
-	}
-
-	ret = do_mknodat(&ring, "surely/this/wont/exist", 0600 | S_IFIFO, 0);
-	if (ret != -ENOENT) {
-		fprintf(stderr, "do_mkdirat no parent failed: %d\n", ret);
-		goto err1;
-	}
-
-	unlinkat(AT_FDCWD, fn, 0);
-
-	if (!geteuid()) {
-		if (test_device(&ring, fn))
-			goto err1;
-	}
-	else
-		fprintf(stdout, "skipping the device test which needs root perms\n");
-
-out:
-	unlinkat(AT_FDCWD, fn, 0);
-	io_uring_queue_exit(&ring);
-	return 0;
-err1:
-	unlinkat(AT_FDCWD, fn, 0);
-err:
-	io_uring_queue_exit(&ring);
-	return 1;
-}
-